A cut-resistant glove and its preparation method

Abstract

The present invention relates to the field of cut-resistant gloves, and particularly to a cut-resistant glove and a preparation method thereof, which are used to solve the problems of insufficient protection performance and poor comfort of existing cut-resistant gloves; the cut-resistant glove includes a skin-friendly comfort layer, a cut-resistant layer, and a wear-resistant dipping layer; the skin-friendly comfort layer can make the glove have excellent comfort and is not easy to cause hand pressure, the cut-resistant layer can effectively improve the cut-resistant performance of the glove, greatly enhance the anti-cutting ability of the glove, prevent sharp objects from easily penetrating, and effectively protect the safety of the hand, and the wear-resistant dipping layer can effectively improve the sealing and wear resistance of the glove, and improve the durability and stability of the glove; the cut-resistant glove prepared by this preparation method can not only effectively protect the safety of the hand, but also make the glove maintain excellent fit and flexibility even during high-intensity operations, ensure that the operator can successfully complete tasks in a complex environment, and significantly improve work efficiency and safety.

Description

Technical Field

[0001] The present invention relates to the field of cut-resistant gloves, and particularly to a cut-resistant glove and a preparation method thereof. Background Art

[0002] In many fields such as industrial production, construction, and machinery operation, the hand safety of workers faces various potential dangers. With the improvement of personal protection requirements in industrial production and daily life, cut-resistant gloves have become an important equipment to reduce physical injuries in the working environment. However, when facing the cutting of sharp objects, traditional gloves usually have insufficient protection performance, especially the protection of fingers and palms is relatively weak, which is prone to accidental cuts and injuries. In addition, most cut-resistant gloves on the market are relatively rigid in design, with poor wearing comfort, and users are easily affected when performing fine operations. Therefore, it is of great significance to urgently develop a cut-resistant glove and a preparation method thereof that not only have excellent cut-resistant performance but also can maintain high flexibility and comfort. Summary of the Invention

[0003] In order to overcome the above technical problems, the purpose of the present invention is to provide a cut-resistant glove and a preparation method thereof. By adding polyurethane emulsion, nitrile latex, modified nano-zirconia, cross-linking agent, surfactant, and thickening agent into a mixer and stirring and mixing them to obtain an impregnating material, bonding the skin-friendly comfort layer and the cut-resistant layer to form a glove embryo sleeve, immersing the glove embryo sleeve in a coagulant, taking it out and immersing it in the impregnating material, and then drying and curing to form a wear-resistant impregnated layer, a cut-resistant glove is obtained, solving the problems of insufficient protection performance and poor comfort of the existing cut-resistant gloves.

[0004] The purpose of the present invention can be achieved by the following technical solutions:

[0005] A cut-resistant glove, which sequentially comprises a skin-friendly comfort layer, a cut-resistant layer, and a wear-resistant impregnated layer from the inside to the outside;

[0006] Among them, the cut-resistant layer is prepared by the following steps:

[0007] Step s1: Add p-methoxybromobenzene, p-methoxyaniline, bis(triphenylphosphine)palladium(II) acetate, 1,1'-binaphthalene-2,2'-bis(diphenylphosphine), potassium tert-butoxide, and N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer, and a gas pipe. Introduce nitrogen for protection. Stir and react for 20 - 30 min under the conditions of a temperature of 25 - 30°C and a stirring rate of 300 - 400 r / min. Then raise the temperature to 100 - 110°C and continue to stir and react for 3 - 4 h. Then raise the temperature to 160 - 170°C and continue to stir and react for 4 - 5 h. After the reaction is completed, cool the reaction product to room temperature, then add it to ice water, then let it stand to precipitate, then centrifuge, and recrystallize the precipitate with anhydrous methanol to obtain an intermediate;

[0008] Step s2: Add the intermediate and chloroform into a three-necked flask equipped with a stirrer, a thermometer, and a constant pressure dropping funnel. Stir and react for 40 - 50 min under the conditions of a temperature of -5 - 0°C and a stirring rate of 300 - 400 r / min. Then gradually add boron tribromide dropwise while stirring, control the dropping rate at 1 - 2 drops / s. After the addition is complete, continue to stir and react for 8 - 10 h. After the reaction is completed, add the reaction product to ice water, then vacuum filter, wash the filter cake with distilled water 2 - 3 times, and then place it in a vacuum drying oven and dry at a temperature of 70 - 75°C for 2 - 3 h to obtain a hyperbranched monomer;

[0009] Step s3: Add the hyperbranched monomer, bisphenol AF, 2,6-dichlorobenzonitrile, anhydrous potassium carbonate, N-methylpyrrolidone, and toluene into a three-necked flask equipped with a stirrer, a thermometer, a gas pipe, and a reflux condenser. Introduce nitrogen for protection. Stir and react for 1 - 2 h under the conditions of a temperature of 25 - 30°C and a stirring rate of 300 - 400 r / min. Then raise the temperature to 140 - 150°C and continue to stir and react for 3 - 4 h. Then raise the temperature to 190 - 200°C and continue to stir and react for 3 - 4 h. After the reaction is completed, cool the reaction product to room temperature, then add it to hydrochloric acid solution, then let it stand to precipitate, then centrifuge, wash the precipitate with distilled water 2 - 3 times, and then place it in a vacuum drying oven and dry at a temperature of 90 - 100°C for 2 - 3 h to obtain a performance coating resin;

[0010] Step s4: Add the performance coating resin, glycerol, and N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer, and a gas pipe. Introduce nitrogen for protection. Stir and react for 3 - 4 h under the conditions of a temperature of 25 - 30 °C and a stirring rate of 300 - 400 r / min. Then add the carbon fiber cloth and perform ultrasonic treatment for 2 - 3 h under the condition of an ultrasonic power of 100 - 150 W. Then let it stand for 3 - 5 h. Then place it in a vacuum drying oven and dry for 8 - 10 h under the condition of a temperature of 80 - 85 °C to obtain the cut-resistant layer.

[0011] As a further scheme of the present invention: The dosage ratio of the p-methoxybromobenzene, p-methoxyaniline, bis(triphenylphosphine)palladium(II) acetate, 1,1'-binaphthalene-2,2'-bis(diphenylphosphine), potassium tert-butoxide, and N,N'-dimethylacetamide in step s1 is 20 mmol: 10 mmol: 0.1 - 0.12 g: 0.18 - 0.22 g: 2.8 - 3.6 g: 50 - 55 mL.

[0012] As a further scheme of the present invention: The dosage ratio of the intermediate, chloroform, and boron tribromide in step s2 is 10 mmol: 40 - 50 mL: 4.8 - 6.6 mL.

[0013] As a further scheme of the present invention: The dosage ratio of the hyperbranched monomer, bisphenol AF, 2,6-dichlorobenzonitrile, anhydrous potassium carbonate, N-methylpyrrolidone, and toluene in step s3 is 0.1 - 0.3 mol: 0.04 - 0.06 mol: 0.5 mol: 0.2 - 0.5 mol: 180 - 200 mL: 100 - 120 mL.

[0014] As a further scheme of the present invention: The mass fraction of the hydrochloric acid solution in step s3 is 5 - 7%.

[0015] As a further scheme of the present invention: The dosage ratio of the performance coating resin, glycerol, N,N'-dimethylacetamide, and carbon fiber cloth in step s4 is 2 g: 0.05 - 0.1 g: 80 - 90 mL: 5 g.

[0016] As a further scheme of the present invention: The carbon fiber cloth in step s4 is Toray PAN-P-1.5K plain carbon fiber woven cloth with a thickness of 0.18 mm.

[0017] As a further scheme of the present invention: A preparation method of a cut-resistant glove includes the following steps:

[0018] Step 1: Weigh 40 - 50 parts by weight of polyurethane emulsion, 26 - 42 parts of nitrile latex, 1.8 - 10.2 parts of modified nano - zirconia, 0.2 - 0.6 parts of cross - linker, 1 - 3 parts of surfactant, and 1 - 5 parts of thickener, and set aside.

[0019] Step 2: After adding the polyurethane emulsion, nitrile latex, modified nano - zirconia, cross - linker, surfactant, and thickener into a mixer, stir and mix them for 1 - 2 h under the conditions of a temperature of 25 - 30 °C and a stirring rate of 300 - 400 r / min to obtain the dipping compound.

[0020] Step 3: Bond the skin - friendly comfort layer and the cut - resistant layer to form a glove embryo sleeve, immerse the glove embryo sleeve in a coagulant, take it out and immerse it in the dipping compound, then place it in a vacuum drying oven and dry it for 35 - 40 min under the condition of a temperature of 60 - 65 °C, and then raise the temperature to 125 - 130 °C and dry it for 1 - 1.5 h to cure and form a wear - resistant dipping layer, thus obtaining the cut - resistant glove.

[0021] As a further scheme of the present invention: The polyurethane emulsion is WPU - 125 aqueous polyurethane emulsion; the nitrile latex is HT - 830 aqueous nitrile latex; the cross - linker is polycarbodiimide cross - linker; the surfactant is sodium dodecyl sulfate; the thickener is sodium carboxymethyl cellulose.

[0022] As a further scheme of the present invention: The skin - friendly comfort layer is one of polyester fabric, cotton fabric, hemp fabric, acrylic fabric, and nylon fabric.

[0023] As a further scheme of the present invention: The coagulant is a mixed solution of calcium nitrate and methanol in a mass ratio of 1 - 10 g:95 g.

[0024] As a further scheme of the present invention: The modified nano - zirconia is prepared by the following steps:

[0025] Step a1: Add hydroquinone, triethylamine, and anhydrous tetrahydrofuran into a four - necked flask equipped with a stirrer, thermometer, gas pipe, reflux condenser, and constant - pressure dropping funnel, introduce nitrogen for protection, stir and react for 20 - 30 min under the conditions of a temperature of 25 - 30 °C and a stirring rate of 300 - 400 r / min, then dropwise add isocyanatopropyltriethoxysilane solution drop by drop while stirring, control the dropping rate at 1 - 2 drops / s, after dropping, raise the temperature to the reflux condition and continue to stir and react for 10 - 15 h, after the reaction ends, cool the reaction product to room temperature, then rotate and evaporate to remove the solvent, and then elute with a mixed solvent to obtain a strong modifier.

[0026] Step a2: Add nano-zirconia powder and toluene into a three-necked flask equipped with a stirrer and a thermometer. Under the condition of an ultrasonic power of 300 - 350 W, perform ultrasonic treatment for 20 - 30 min. Then add a strong modifier solution and continue ultrasonic treatment for 5 - 10 min. After that, under the conditions of a temperature of 25 - 30 °C and a stirring rate of 300 - 400 r / min, stir and react for 20 - 30 min. Then raise the temperature to 80 - 85 °C and continue stirring and reacting for 1 - 2 h. After the reaction is completed, cool the reaction product to room temperature, then centrifuge, wash the precipitate with methanol 2 - 3 times, and then place it in a vacuum drying oven and dry it at a temperature of 50 - 55 °C for 1 - 1.5 h to obtain modified nano-zirconia.

[0027] As a further scheme of the present invention: The dosage ratio of the hydroquinone, triethylamine, anhydrous tetrahydrofuran, and isopropyltriethoxysilane solution in step a1 is 10 mmol : 0.01 - 0.02 g : 50 - 55 mL : 20 - 25 mL.

[0028] As a further scheme of the present invention: The isopropyltriethoxysilane solution in step a1 is a solution formed by dissolving isopropyltriethoxysilane in anhydrous tetrahydrofuran according to a ratio of 10 mmol : 10 mL; the mixed solvent is a mixture of petroleum ether and ethyl acetate with a volume ratio of 25 - 30 : 1.

[0029] As a further scheme of the present invention: The dosage ratio of the nano-zirconia powder, toluene, and strong modifier solution in step a2 is 2 g : 15 - 20 mL : 10 - 15 mL.

[0030] As a further scheme of the present invention: The average particle size of the nano-zirconia powder in step a2 is 50 nm; the strong modifier solution is a mixture formed by dissolving a strong modifier in an ethanol solution according to a ratio of 1 g : 8 - 10 g, and the volume fraction of the ethanol solution is 85 - 90%.

[0031] The beneficial effects of the present invention:

[0032] A cut-resistant glove of the present invention and a preparation method thereof. Polyurethane emulsion, nitrile latex, modified nano-zirconia, cross-linking agent, surfactant and thickening agent are added to a mixer and stirred and mixed to obtain dipping compound. The skin-friendly comfort layer and the cut-resistant layer are bonded to form a glove embryo sleeve, and the glove embryo sleeve is immersed in a coagulant, taken out and immersed in the dipping compound, and then dried and cured to form a wear-resistant dipping layer, obtaining the cut-resistant glove. The cut-resistant glove comprises a skin-friendly comfort layer, a cut-resistant layer and a wear-resistant dipping layer from inside to outside. Among them, the skin-friendly comfort layer can make the glove have excellent comfort and is not easy to cause hand pressure. The cut-resistant layer can effectively improve the cut-resistant performance of the glove, greatly enhance the anti-cutting ability of the glove, prevent sharp objects from easily penetrating, and effectively protect the safety of the hand. The wear-resistant dipping layer can effectively improve the sealing and wear resistance of the glove, and improve the durability and stability of the glove. The cut-resistant glove prepared by this preparation method can not only effectively protect the safety of the hand, but also make the glove maintain excellent fit and flexibility even during high-intensity operations, ensure that the operator can complete tasks smoothly in a complex environment, and significantly improve work efficiency and safety.

[0033] In the process of preparing the cut-resistant glove, a cut-resistant layer was first prepared. First, p-methoxybromobenzene and p-methoxyaniline were reacted. The bromine atom on p-methoxybromobenzene reacted with -NH 2 and -NH- in sequence to form an intermediate containing three benzene rings and methoxy groups. Then, the methoxy group on the intermediate formed a hydroxyl group under the action of boron tribromide to obtain a hyperbranched monomer. Then, the hyperbranched monomer, bisphenol AF and 2,6-dichlorobenzonitrile were used as polymerization monomers for polymerization to form a polyarylether nitrile containing a large number of C-F bonds and hyperbranched, obtaining a performance coating resin. Then, the performance coating resin was dissolved and coated on carbon fiber cloth to obtain the cut-resistant layer. Carbon fiber cloth is a fiber material with high strength and high modulus, which can greatly improve the cut-resistant and puncture-resistant performance of the glove. After being coated with the performance coating resin, the cyano group on it has strong polarity, so that there is an excellent bonding effect between the carbon fiber cloth and the performance coating resin. And the molecular structure of the performance coating resin contains a large number of benzene rings, which can endow it with excellent mechanical strength, further improve the cut-resistant and puncture-resistant performance of the carbon fiber cloth. And the large number of C-F bonds introduced can make the carbon fiber cloth resist the erosion of various corrosive substances, improve its chemical resistance, enable it to maintain high performance in harsh environments, improve the safety of the cut-resistant glove, and increase the bonding force between the cut-resistant layer and the skin-friendly comfort layer and the wear-resistant dipping layer, improve the integrity and stability of the cut-resistant layer, so that when the carbon fiber cloth is subjected to external force, it can more effectively disperse and transfer stress, thus significantly improving the cut-resistant performance of the cut-resistant glove.

[0034] In the process of preparing the cut-resistant gloves, a modified nano-zirconia was also prepared. First, hydroquinone and isocyanatopropyltriethoxysilane were reacted. The hydroxyl group on hydroquinone reacted with the isocyanate group on isocyanatopropyltriethoxysilane to form a potent modifier containing a large number of siloxane groups. Then, the nano-zirconia powder was treated with the potent modifier. After the potent modifier was hydrolyzed, the siloxane on it was converted into silanol and grafted onto the particle surface of the nano-zirconia powder to obtain the modified nano-zirconia. Zirconia is an inorganic material with high hardness, high wear resistance, and high chemical stability. After being added to the wear-resistant dipping layer, it imparts excellent wear-resistant enhancement effect. Moreover, after the nano-zirconia powder is modified, the dispersibility of the nano-zirconia powder can be improved, and a large number of silanol groups are introduced, enabling it to be connected to other components of the dipping material in the form of chemical bonds, enhancing the overall uniformity and wear resistance of the wear-resistant dipping layer, making the wear-resistant dipping layer not easily worn and damaged, protecting the integrity of the internal structure of the gloves, and further enhancing the safety and durability of the cut-resistant gloves. Detailed Embodiments

[0035] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0036] Example 1:

[0037] This embodiment is a preparation method of cut-resistant gloves, including the following steps:

[0038] Step S1: Add 10 mmol of hydroquinone, 0.01 g of triethylamine, and 50 mL of anhydrous tetrahydrofuran into a four-necked flask equipped with a stirrer, a thermometer, a gas pipe, a reflux condenser, and a constant-pressure dropping funnel. Introduce nitrogen protection, stir and react at a temperature of 25 °C and a stirring rate of 300 r / min for 20 min. Then, while stirring, gradually dropwise add a solution of 20 mL of isocyanatopropyltriethoxysilane dissolved in anhydrous tetrahydrofuran according to 10 mmol:10 mL, control the dropping rate at 1 drop / s. After the dropping is completed, raise the temperature to reflux and continue to stir and react for 10 h. After the reaction is completed, cool the reaction product to room temperature, then rotate and evaporate to remove the solvent, and then elute with a mixed solvent composed of petroleum ether and ethyl acetate mixed according to a volume ratio of 25:1 to obtain the potent modifier;

[0039] Step S2: Add 2 g of nano-zirconia powder with an average particle size of 50 nm and 15 mL of toluene into a three-necked flask equipped with a stirrer and a thermometer. Under the condition of an ultrasonic power of 300 W, perform ultrasonic treatment for 20 min. Then add 10 mL of a strong modifier solution formed by dissolving 1 g of the strong modifier in 8 g of an ethanol solution with a volume fraction of 85% and continue ultrasonic treatment for 5 min. Then, under the conditions of a temperature of 25°C and a stirring rate of 300 r / min, stir and react for 20 min. Then, raise the temperature to 80°C and continue stirring and reacting for 1 h. After the reaction is completed, cool the reaction product to room temperature, then centrifuge, wash the precipitate twice with methanol, and then place it in a vacuum drying oven and dry it at a temperature of 50°C for 1 h to obtain modified nano-zirconia;

[0040] Step S3: Add 20 mmol of p-methoxybromobenzene, 10 mmol of p-methoxyaniline, 0.1 g of bis(triphenylphosphine)palladium(II) acetate, 0.18 g of 1,1'-binaphthalene-2,2'-bis(diphenylphosphine), 2.8 g of potassium tert-butoxide, and 50 mL of N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer, and a gas inlet tube. Pass nitrogen for protection. Under the conditions of a temperature of 25°C and a stirring rate of 300 r / min, stir and react for 20 min. Then, raise the temperature to 100°C and continue stirring and reacting for 3 h. Then, raise the temperature to 160°C and continue stirring and reacting for 4 h. After the reaction is completed, cool the reaction product to room temperature, then add it to ice water, then let it stand to precipitate, then centrifuge, and recrystallize the precipitate with anhydrous methanol to obtain an intermediate;

[0041] Step S4: Add 10 mmol of the intermediate and 40 mL of chloroform into a three-necked flask equipped with a stirrer, a thermometer, and a constant-pressure dropping funnel. Under the conditions of a temperature of -5°C and a stirring rate of 300 r / min, stir and react for 40 min. Then, while stirring, gradually add 4.8 mL of boron tribromide dropwise, control the dropping rate to be 1 drop / s. After the dropping is completed, continue stirring and reacting for 8 h. After the reaction is completed, add the reaction product to ice water, then perform vacuum filtration, wash the filter cake twice with distilled water, and then place it in a vacuum drying oven and dry it at a temperature of 70°C for 2 h to obtain a hyperbranched monomer;

[0042] Step S5: Add 0.1 mol of hyperbranched monomer, 0.04 mol of bisphenol AF, 0.5 mol of 2,6-dichlorobenzonitrile, 0.2 mol of anhydrous potassium carbonate, 180 mL of N-methylpyrrolidone, and 100 mL of toluene into a three-necked flask equipped with a stirrer, a thermometer, a gas pipe, and a reflux condenser. Introduce nitrogen for protection. Stir and react for 1 h at a temperature of 25 °C and a stirring rate of 300 r / min. Then, continue to stir and react for 3 h under the condition of raising the temperature to 140 °C, and then continue to stir and react for 3 h under the condition of raising the temperature to 190 °C. After the reaction is completed, cool the reaction product to room temperature, then add it to a hydrochloric acid solution with a mass fraction of 5%. Then, let it stand to precipitate, and then centrifuge. Wash the precipitate twice with distilled water, and then place it in a vacuum drying oven and dry it for 2 h at a temperature of 90 °C to obtain a performance coating resin;

[0043] Step S6: Add 2 kg of performance coating resin, 0.05 kg of glycerol, and 80 L of N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer, and a gas pipe. Introduce nitrogen for protection. Stir and react for 3 h at a temperature of 25 °C and a stirring rate of 300 r / min. Then, add 5 kg of Toray PAN-P-1.5K carbon fiber cloth with a thickness of 0.18 mm and ultrasonically treat it for 2 h under the condition of an ultrasonic power of 100 W. Then, let it stand for 3 h, and then place it in a vacuum drying oven and dry it for 8 h at a temperature of 80 °C to obtain a cut-resistant layer;

[0044] Step S7: Weigh 40 parts of polyurethane emulsion, 26 parts of nitrile latex, 1.8 parts of modified nano-zirconia, 0.2 part of crosslinking agent, 1 part of surfactant, and 1 part of thickener by weight, and set aside; the polyurethane emulsion is WPU-125 waterborne polyurethane emulsion; the nitrile latex is HT-830 waterborne nitrile latex; the crosslinking agent is polycarbodiimide crosslinking agent; the surfactant is sodium dodecyl sulfate; the thickener is sodium carboxymethyl cellulose;

[0045] Step S9: Add the polyurethane emulsion, nitrile latex, modified nano-zirconia, crosslinking agent, surfactant, and thickener into a mixer, and then stir and mix for 1 h at a temperature of 25 °C and a stirring rate of 300 r / min to obtain an impregnating compound;

[0046] Step S9: Bond the skin-friendly comfort layer made of cotton fabric and the cut-resistant layer to form a glove embryo sleeve, and immerse the glove embryo sleeve in a coagulant composed of calcium nitrate and methanol mixed according to a mass ratio of 1 g:95 g. Take it out and immerse it in the impregnating compound, and then place it in a vacuum drying oven and dry it for 35 min at a temperature of 60 °C, and then raise the temperature to 125 °C and dry it for 1 h to cure and form a wear-resistant impregnated layer to obtain a cut-resistant glove.

[0047] Example 2:

[0048] The preparation method of an anti-cutting glove in this example includes the following steps:

[0049] Step S1: Add 10 mmol of hydroquinone, 0.015 g of triethylamine, and 52 mL of anhydrous tetrahydrofuran into a four-necked flask equipped with a stirrer, a thermometer, a gas pipe, a reflux condenser, and a constant-pressure dropping funnel. Introduce nitrogen for protection. Stir and react for 25 min at a temperature of 28 °C and a stirring rate of 350 r / min. Then, while stirring, gradually add dropwise a solution of 22 mL of isocyanatopropyltriethoxysilane dissolved in anhydrous tetrahydrofuran according to 10 mmol:10 mL. Control the dropping rate at 1 drop / s. After the dropping is completed, continue to stir and react for 12 h under reflux conditions. After the reaction is completed, cool the reaction product to room temperature, then remove the solvent by rotary evaporation, and then elute with a mixed solvent composed of petroleum ether and ethyl acetate in a volume ratio of 28:1 to obtain a powerful modifier;

[0050] Step S2: Add 2 g of nano-zirconia powder with an average particle size of 50 nm and 18 mL of toluene into a three-necked flask equipped with a stirrer and a thermometer. Ultrasonically treat for 25 min under an ultrasonic power of 325 W. Then add a solution of 12 mL of powerful modifier dissolved in an ethanol solution with a volume fraction of 88% according to 1 g:9 g and continue to ultrasonically treat for 8 min. Then stir and react for 25 min at a temperature of 28 °C and a stirring rate of 350 r / min. Then continue to stir and react for 1.5 h under the condition of raising the temperature to 82 °C. After the reaction is completed, cool the reaction product to room temperature, then centrifuge, wash the precipitate with methanol twice, and then place it in a vacuum drying oven and dry for 1 h at a temperature of 52 °C to obtain modified nano-zirconia;

[0051] Step S3: Add 20 mmol of p-methoxybromobenzene, 10 mmol of p-methoxyaniline, 0.11 g of bis(triphenylphosphine)palladium(II) acetate, 0.2 g of 1,1'-binaphthalene-2,2'-bis(diphenylphosphine), 3.2 g of potassium tert-butoxide, and 52 mL of N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer, and a gas pipe. Introduce nitrogen for protection. Stir and react for 25 min at a temperature of 28 °C and a stirring rate of 350 r / min. Then continue to stir and react for 3.5 h under the condition of raising the temperature to 105 °C. Then continue to stir and react for 4.5 h under the condition of raising the temperature to 165 °C. After the reaction is completed, cool the reaction product to room temperature, then add it to ice water, then let it stand to precipitate, then centrifuge, and recrystallize the precipitate with anhydrous methanol to obtain an intermediate;

[0052] Step S4: Add 10 mmol of the intermediate and 45 mL of chloroform into a three-necked flask equipped with a stirrer, a thermometer, and a constant-pressure dropping funnel. Stir and react for 45 min at a temperature of -3 °C and a stirring rate of 350 r / min. Then, while stirring, gradually add 5.7 mL of boron tribromide dropwise, controlling the dropping rate at 1 drop / s. After the addition is complete, continue stirring and reacting for 9 h. After the reaction ends, add the reaction product into ice water, then perform vacuum filtration. Wash the filter cake twice with distilled water, and then place it in a vacuum drying oven and dry it for 2.5 h at a temperature of 72 °C to obtain the hyperbranched monomer;

[0053] Step S5: Add 0.2 mol of the hyperbranched monomer, 0.05 mol of bisphenol AF, 0.5 mol of 2,6-dichlorobenzonitrile, 0.35 mol of anhydrous potassium carbonate, 190 mL of N-methylpyrrolidone, and 110 mL of toluene into a three-necked flask equipped with a stirrer, a thermometer, a gas pipe, and a reflux condenser. Introduce nitrogen for protection. Stir and react for 1.5 h at a temperature of 28 °C and a stirring rate of 350 r / min. Then, raise the temperature to 145 °C and continue stirring and reacting for 3.5 h. Then, raise the temperature to 195 °C and continue stirring and reacting for 3.5 h. After the reaction ends, cool the reaction product to room temperature, then add it into a 6% hydrochloric acid solution by mass fraction, then let it stand to precipitate, then centrifuge. Wash the precipitate twice with distilled water, and then place it in a vacuum drying oven and dry it for 2.5 h at a temperature of 95 °C to obtain the performance coating resin;

[0054] Step S6: Add 2 kg of the performance coating resin, 0.08 kg of glycerol, and 85 L of N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer, and a gas pipe. Introduce nitrogen for protection. Stir and react for 3.5 h at a temperature of 28 °C and a stirring rate of 350 r / min. Then, add 5 kg of Toray PAN-P-1.5K carbon fiber cloth with a thickness of 0.18 mm and perform ultrasonic treatment for 2.5 h under an ultrasonic power of 125 W. Then, let it stand for 4 h, and then place it in a vacuum drying oven and dry it for 9 h at a temperature of 82 °C to obtain the cut-resistant layer;

[0055] Step S7: Weigh 45 parts of polyurethane emulsion, 34 parts of nitrile latex, 6 parts of modified nano-zirconia, 0.4 part of cross-linking agent, 2 parts of surfactant, and 3 parts of thickening agent by weight, and set aside; the polyurethane emulsion is WPU-125 aqueous polyurethane emulsion; the nitrile latex is HT-830 aqueous nitrile latex; the cross-linking agent is polycarbodiimide cross-linking agent; the surfactant is sodium dodecyl sulfate; the thickening agent is sodium carboxymethyl cellulose;

[0056] Step S8: After adding the polyurethane emulsion, nitrile latex, modified nano-zirconia, cross-linking agent, surfactant, and thickening agent into a mixer, stir and mix them for 1.5 h under the conditions of a temperature of 28 °C and a stirring rate of 350 r / min to obtain an impregnating compound;

[0057] Step S9: Bond the skin-friendly comfort layer and the cut-resistant layer made of cotton fabric to form a glove embryo sleeve, immerse the glove embryo sleeve in a coagulant composed of calcium nitrate and methanol mixed in a mass ratio of 5.5 g:95 g, take it out and immerse it in the impregnating compound, then place it in a vacuum drying oven and dry it for 38 min under the condition of a temperature of 62 °C, and then raise the temperature to 128 °C and dry it for 1 h to cure and form a wear-resistant impregnated layer, obtaining a cut-resistant glove.

[0058] Example 3:

[0059] The preparation method of a cut-resistant glove in this example includes the following steps:

[0060] Step S1: Add 10 mmol of hydroquinone, 0.02 g of triethylamine, and 55 mL of anhydrous tetrahydrofuran into a four-necked flask equipped with a stirrer, thermometer, gas pipe, reflux condenser, and constant pressure dropping funnel, introduce nitrogen for protection, stir and react for 30 min under the conditions of a temperature of 30 °C and a stirring rate of 400 r / min, then dropwise add a solution of 25 mL of isopropyltriethoxysilane dissolved in 10 mmol:10 mL of anhydrous tetrahydrofuran drop by drop while stirring, control the dropping rate at 2 drops / s, after dropping, raise the temperature to the reflux condition and continue to stir and react for 15 h, after the reaction is completed, cool the reaction product to room temperature, then rotate and evaporate to remove the solvent, and then elute with a mixed solvent composed of petroleum ether and ethyl acetate mixed in a volume ratio of 30:1 to obtain a powerful modifier;

[0061] Step S2: Add 2 g of nano-zirconia powder with an average particle size of 50 nm and 20 mL of toluene into a three-necked flask equipped with a stirrer and thermometer, ultrasonically treat it for 30 min under the condition of an ultrasonic power of 350 W, then add a solution of 15 mL of powerful modifier dissolved in 1 g:10 g of ethanol solution with a volume fraction of 90% and continue to ultrasonically treat it for 10 min, then stir and react for 30 min under the conditions of a temperature of 30 °C and a stirring rate of 400 r / min, then raise the temperature to 85 °C and continue to stir and react for 2 h, after the reaction is completed, cool the reaction product to room temperature, then centrifuge, wash the precipitate with methanol 3 times, and then place it in a vacuum drying oven and dry it for 1.5 h under the condition of a temperature of 55 °C to obtain modified nano-zirconia;

[0062] Step S3: Add 20 mmol of p-methoxybromobenzene, 10 mmol of p-methoxyaniline, 0.12 g of bis(triphenylphosphine)palladium(II) acetate, 0.22 g of 1,1'-binaphthalene-2,2'-bis(diphenylphosphine), 3.6 g of potassium tert-butoxide, and 55 mL of N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer, and a gas pipe. Introduce nitrogen for protection. Stir and react for 30 min under the conditions of a temperature of 30 °C and a stirring rate of 400 r / min. Then, continue to stir and react for 4 h under the condition of heating to 110 °C, and then continue to stir and react for 5 h under the condition of heating to 170 °C. After the reaction is completed, cool the reaction product to room temperature, then add it to ice water, then let it stand to precipitate, then centrifuge, and recrystallize the precipitate with anhydrous methanol to obtain an intermediate;

[0063] Step S4: Add 10 mmol of the intermediate and 50 mL of chloroform into a three-necked flask equipped with a stirrer, a thermometer, and a constant-pressure dropping funnel. Stir and react for 50 min under the conditions of a temperature of 0 °C and a stirring rate of 400 r / min. Then, gradually add 6.6 mL of boron tribromide drop by drop while stirring, control the dropping rate at 2 drops / s. After the dropping is completed, continue to stir and react for 10 h. After the reaction is completed, add the reaction product to ice water, then vacuum filter, wash the filter cake 3 times with distilled water, and then place it in a vacuum drying oven and dry it for 3 h under the condition of a temperature of 75 °C to obtain a hyperbranched monomer;

[0064] Step S5: Add 0.3 mol of the hyperbranched monomer, 0.06 mol of bisphenol AF, 0.5 mol of 2,6-dichlorobenzonitrile, 0.5 mol of anhydrous potassium carbonate, 200 mL of N-methylpyrrolidone, and 120 mL of toluene into a three-necked flask equipped with a stirrer, a thermometer, a gas pipe, and a reflux condenser. Introduce nitrogen for protection. Stir and react for 2 h under the conditions of a temperature of 30 °C and a stirring rate of 400 r / min. Then, continue to stir and react for 4 h under the condition of heating to 150 °C, and then continue to stir and react for 4 h under the condition of heating to 200 °C. After the reaction is completed, cool the reaction product to room temperature, then add it to a hydrochloric acid solution with a mass fraction of 7%, then let it stand to precipitate, then centrifuge, wash the precipitate 3 times with distilled water, and then place it in a vacuum drying oven and dry it for 3 h under the condition of a temperature of 100 °C to obtain a performance-coated resin;

[0065] Step S6: Add 2 kg of performance coating resin, 0.1 kg of glycerol, and 90 L of N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer, and a gas pipe. Introduce nitrogen for protection. Stir and react for 4 h under the conditions of a temperature of 30 °C and a stirring rate of 400 r / min. Then add 5 kg of Toray PAN-P-1.5K carbon fiber cloth with a thickness of 0.18 mm and perform ultrasonic treatment for 3 h under the condition of an ultrasonic power of 150 W. Then let it stand for 5 h. Then place it in a vacuum drying oven and dry it for 10 h under the condition of a temperature of 85 °C to obtain a cut-resistant layer;

[0066] Step S7: Weigh 50 parts of polyurethane emulsion, 42 parts of nitrile latex, 10.2 parts of modified nano-zirconia, 0.6 part of cross-linking agent, 3 parts of surfactant, and 5 parts of thickener according to weight, and set aside; the polyurethane emulsion is WPU-125 waterborne polyurethane emulsion; the nitrile latex is HT-830 waterborne nitrile latex; the cross-linking agent is polycarbodiimide cross-linking agent; the surfactant is sodium dodecyl sulfate; the thickener is sodium carboxymethyl cellulose;

[0067] Step S8: After adding the polyurethane emulsion, nitrile latex, modified nano-zirconia, cross-linking agent, surfactant, and thickener into a mixer, stir and mix for 2 h under the conditions of a temperature of 30 °C and a stirring rate of 400 r / min to obtain an impregnating compound;

[0068] Step S9: Bond the skin-friendly comfort layer made of cotton fabric and the cut-resistant layer to form a glove embryo sleeve. Immerse the glove embryo sleeve into a coagulant composed of calcium nitrate and methanol mixed according to a mass ratio of 10 g:95 g. Take it out and immerse it into the impregnating compound. Then place it in a vacuum drying oven and dry it for 40 min under the condition of a temperature of 65 °C. Then raise the temperature to 130 °C and dry it for 1.5 h to cure and form a wear-resistant impregnated layer, obtaining a cut-resistant glove.

[0069] Comparative Example 1:

[0070] This comparative example is a preparation method of a cut-resistant glove, including the following steps:

[0071] Step S1: Weigh 50 parts of polyurethane emulsion, 42 parts of nitrile latex, 0.6 part of cross-linking agent, 3 parts of surfactant, and 5 parts of thickener according to weight, and set aside; the polyurethane emulsion is WPU-125 waterborne polyurethane emulsion; the nitrile latex is HT-830 waterborne nitrile latex; the cross-linking agent is polycarbodiimide cross-linking agent; the surfactant is sodium dodecyl sulfate; the thickener is sodium carboxymethyl cellulose;

[0072] Step S2: After adding the polyurethane emulsion, nitrile latex, crosslinking agent, surfactant, and thickening agent into a mixer, stir and mix them for 2 h at a temperature of 30 °C and a stirring rate of 400 r / min to obtain an impregnating compound;

[0073] Step S3: Immerse the skin-friendly comfort layer made of cotton fabric into a coagulant composed of calcium nitrate and methanol mixed at a mass ratio of 10 g:95 g. After taking it out, immerse it into the impregnating compound, and then place it in a vacuum drying oven. Dry it for 40 min at a temperature of 65 °C, and then raise the temperature to 130 °C and dry it for 1.5 h to cure and form a wear-resistant impregnated layer, thus obtaining a cut-resistant glove.

[0074] Comparative Example 2:

[0075] This comparative example is a preparation method of a cut-resistant glove, including the following steps:

[0076] Step S1: Add 10 mmol of hydroquinone, 0.02 g of triethylamine, and 55 mL of anhydrous tetrahydrofuran into a four-necked flask equipped with a stirrer, thermometer, gas pipe, reflux condenser, and constant-pressure dropping funnel. Introduce nitrogen for protection. Stir and react for 30 min at a temperature of 30 °C and a stirring rate of 400 r / min. Then, while stirring, gradually dropwise add a solution of 25 mL of isocyanatopropyltriethoxysilane dissolved in anhydrous tetrahydrofuran at a ratio of 10 mmol:10 mL, control the dropping rate at 2 drops / s. After the dropping is completed, raise the temperature to the reflux condition and continue to stir and react for 15 h. After the reaction is completed, cool the reaction product to room temperature, then rotate and evaporate to remove the solvent, and then elute it with a mixed solvent composed of petroleum ether and ethyl acetate mixed at a volume ratio of 30:1 to obtain a potent modifier;

[0077] Step S2: Add 2 g of nano-zirconia powder with an average particle size of 50 nm and 20 mL of toluene into a three-necked flask equipped with a stirrer and thermometer. Ultrasonically treat it for 30 min under an ultrasonic power of 350 W. Then add a solution of 15 mL of the potent modifier dissolved in an ethanol solution with a volume fraction of 90% at a ratio of 1 g:10 g to continue ultrasonic treatment for 10 min. Then, stir and react for 30 min at a temperature of 30 °C and a stirring rate of 400 r / min. Then raise the temperature to 85 °C and continue to stir and react for 2 h. After the reaction is completed, cool the reaction product to room temperature, then centrifuge, wash the precipitate with methanol 3 times, and then place it in a vacuum drying oven. Dry it for 1.5 h at a temperature of 55 °C to obtain modified nano-zirconia;

[0078] Step S3: Weigh 50 parts of polyurethane emulsion, 42 parts of nitrile latex, 10.2 parts of modified nano-zirconia, 0.6 part of crosslinking agent, 3 parts of surfactant and 5 parts of thickener for standby; the polyurethane emulsion is WPU-125 waterborne polyurethane emulsion; the nitrile latex is HT-830 waterborne nitrile latex; the crosslinking agent is polycarbodiimide crosslinking agent; the surfactant is sodium dodecyl sulfate; the thickener is sodium carboxymethyl cellulose;

[0079] Step S4: After adding the polyurethane emulsion, nitrile latex, modified nano-zirconia, crosslinking agent, surfactant and thickener into a mixer, stir and mix them at a temperature of 30 °C and a stirring rate of 400 r / min for 2 h to obtain an impregnating compound;

[0080] Step S5: Immerse the skin-friendly comfort layer made of cotton fabric into a coagulant prepared by mixing calcium nitrate and methanol in a mass ratio of 10 g:95 g, take it out and immerse it into the impregnating compound, then place it in a vacuum drying oven and dry it at a temperature of 65 °C for 40 min, and then raise the temperature to 130 °C and dry it for 1.5 h to cure and form a wear-resistant impregnated layer, thus obtaining a cut-resistant glove.

[0081] Comparative Example 3:

[0082] This comparative example is a preparation method of a cut-resistant glove, including the following steps:

[0083] Step S1: Add 20 mmol of p-methoxybromobenzene, 10 mmol of p-methoxyaniline, 0.12 g of bis(triphenylphosphine)palladium(II) acetate, 0.22 g of 1,1'-binaphthalene-2,2'-bis(diphenylphosphine), 3.6 g of potassium tert-butoxide and 55 mL of N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer and a gas guide tube, introduce nitrogen for protection, stir and react at a temperature of 30 °C and a stirring rate of 400 r / min for 30 min, then raise the temperature to 110 °C and continue to stir and react for 4 h, then raise the temperature to 170 °C and continue to stir and react for 5 h. After the reaction is completed, cool the reaction product to room temperature, then add it into ice water, then let it stand to precipitate, then centrifuge, and recrystallize the precipitate with anhydrous methanol to obtain an intermediate;

[0084] Step S2: Add 10 mmol of the intermediate and 50 mL of chloroform into a three-necked flask equipped with a stirrer, a thermometer and a constant-pressure dropping funnel. Stir and react for 50 min under the conditions of a temperature of 0 °C and a stirring rate of 400 r / min. Then, while stirring, gradually add 6.6 mL of boron tribromide dropwise, control the dropping rate at 2 drops / s. After the dropping is completed, continue to stir and react for 10 h. After the reaction is completed, add the reaction product into ice water, then carry out vacuum filtration. Wash the filter cake with distilled water three times, and then place it in a vacuum drying oven and dry it at a temperature of 75 °C for 3 h to obtain the hyperbranched monomer;

[0085] Step S3: Add 0.3 mol of the hyperbranched monomer, 0.06 mol of bisphenol AF, 0.5 mol of 2,6-dichlorobenzonitrile, 0.5 mol of anhydrous potassium carbonate, 200 mL of N-methylpyrrolidone and 120 mL of toluene into a three-necked flask equipped with a stirrer, a thermometer, a gas guide tube and a reflux condenser. Pass in nitrogen for protection. Stir and react for 2 h under the conditions of a temperature of 30 °C and a stirring rate of 400 r / min. Then, raise the temperature to 150 °C and continue to stir and react for 4 h. Then, raise the temperature to 200 °C and continue to stir and react for 4 h. After the reaction is completed, cool the reaction product to room temperature, then add it into a hydrochloric acid solution with a mass fraction of 7%. Then, let it stand to precipitate, and then centrifuge. Wash the precipitate with distilled water three times, and then place it in a vacuum drying oven and dry it at a temperature of 100 °C for 3 h to obtain the performance coating resin;

[0086] Step S4: Add 2 kg of the performance coating resin, 0.1 kg of glycerol and 90 L of N,N'-dimethylacetamide into a three-necked flask equipped with a stirrer, a thermometer and a gas guide tube. Pass in nitrogen for protection. Stir and react for 4 h under the conditions of a temperature of 30 °C and a stirring rate of 400 r / min. Then, add 5 kg of Toray PAN-P-1.5K carbon fiber cloth with a thickness of 0.18 mm and carry out ultrasonic treatment for 3 h under the condition of an ultrasonic power of 150 W. Then, let it stand for 5 h, and then place it in a vacuum drying oven and dry it at a temperature of 85 °C for 10 h to obtain the cut-resistant layer;

[0087] Step S5: Weigh 50 parts of polyurethane emulsion, 42 parts of nitrile latex, 0.6 part of crosslinking agent, 3 parts of surfactant and 5 parts of thickening agent by weight and set aside; the polyurethane emulsion is WPU-125 aqueous polyurethane emulsion; the nitrile latex is HT-830 aqueous nitrile latex; the crosslinking agent is polycarbodiimide crosslinking agent; the surfactant is sodium dodecyl sulfate; the thickening agent is sodium carboxymethyl cellulose;

[0088] Step S6: After adding the polyurethane emulsion, nitrile latex, crosslinking agent, surfactant, and thickening agent into a mixer, stir and mix them for 2 h at a temperature of 30 °C and a stirring rate of 400 r / min to obtain the dipping compound;

[0089] Step S7: Bond the skin-friendly comfort layer and the cut-resistant layer made of cotton fabric to form a glove embryo sleeve, immerse the glove embryo sleeve in a coagulant composed of calcium nitrate and methanol mixed in a mass ratio of 10 g:95 g, take it out and immerse it in the dipping compound, and then place it in a vacuum drying oven. Dry it for 40 min at a temperature of 65 °C, and then raise the temperature to 130 °C and dry it for 1.5 h to cure and form a wear-resistant dipping layer, obtaining a cut-resistant glove.

[0090] Perform performance tests on the cut-resistant gloves in Examples 1-3 and Comparative Examples 1-3 for cut resistance, tear resistance, and puncture resistance according to the standard GB24541-2009. The test results are shown in the following table:

[0091] Sample Cut resistance, index Tear resistance, N Puncture resistance, N Example 1 22.8 79 154 Example 2 24.1 81 159 Example 3 25.5 84 163 Comparative example 1 5.2 38 74 Comparative example 2 12.4 53 101 Comparative example 3 21.8 71 146

[0092] Referring to the data in the above table, it can be known that adding a powerful modifier and using a cut-resistant layer can significantly improve the cut and puncture resistance of the cut-resistant glove, and the best effect is achieved under the synergistic effect of the two.

[0093] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0094] The above content is only an example and illustration of the present invention. Those skilled in the art of the present technology can make various modifications or supplements to the described specific embodiments or use similar methods to replace them. As long as they do not deviate from the invention or exceed the scope defined by the claims of the present invention, they should fall within the protection scope of the present invention.

Claims

1. A cut-resistant glove, characterized in that: From inside to outside, there are skin-friendly comfort layer, cut-resistant layer and wear-resistant rubber layer. Wherein, the cut-resistant layer is prepared by the following steps: Step s1: stirring p-methoxybromobenzene, p-methoxyaniline, bis(triphenylphosphino)palladium(II) acetate, 1,1'-binaphthyl-2,2'-bisdiphenylphosphine, tert-butyl potassium and N,N'-dimethylacetamide for reaction. After the reaction, the reaction product is cooled, then added into ice water, then allowed to stand to precipitate, then centrifuged, and the precipitate is recrystallized to obtain an intermediate; Step s2: stirring the intermediate and chloroform to react, then adding boron tribromide dropwise while stirring, and continuing to stir the reaction after the dropwise addition is completed. After the reaction is completed, adding the reaction product into ice water, and then vacuum filtering, washing and drying the filter cake to obtain a hyperbranched monomer; Step s3: stirring a hyperbranched monomer, bisphenol AF, 2,6-dichlorobenzonitrile, anhydrous potassium carbonate, N-methylpyrrolidone and toluene for reaction, cooling the reaction product after the reaction is completed, then adding it to a hydrochloric acid solution, then standing it to precipitate, then centrifuging it, washing and drying the precipitate to obtain a performance coating resin; Step s4: stirring the performance coating resin, propylene glycol and N,N'-dimethylacetamide for reaction, then adding the carbon fiber cloth and performing ultrasonic treatment, then standing and drying to obtain a cut-resistant layer.

2. The cut-resistant glove according to claim 1, characterized in that: The amount ratio of the p-methoxybromobenzene, p-methoxyaniline, bis(triphenylphosphino)palladium(II) acetate, 1,1'-binaphthyl-2,2'-bisdiphenylphosphine, tert-butyl potassium and N,N'-dimethylacetamide in step s1 is 20mmol:10mmol:0.1-0.12g:0.18-0.22g:2.8-3.6g:50-55mL.

3. The cut-resistant glove according to claim 1, characterized in that: The usage ratio of the intermediate, chloroform and boron tribromide in step s2 is 10 mmol:40-50 mL:4.8-6.6 mL.

4. The cut-resistant glove according to claim 1, characterized in that: The usage ratio of the hyperbranched monomer, bisphenol AF, 2,6-dichlorobenzonitrile, anhydrous potassium carbonate, N-methylpyrrolidone and toluene in step s3 is 0.1-0.3 mol: 0.04-0.06 mol: 0.5 mol: 0.2-0.5 mol: 180-200 mL: 100-120 mL; the mass fraction of the hydrochloric acid solution is 5-7%.

5. The cut-resistant glove according to claim 1, characterized in that: The usage ratio of the performance coating resin, glycerol, N,N'-dimethylacetamide and carbon fiber cloth in step s4 is 2g:0.05-0.1g:80-90mL:5g; the carbon fiber cloth is Toray PAN-P-1.5K plain carbon fiber woven cloth with a thickness of 0.18mm.

6. A method for preparing the cut-resistant gloves according to any one of claims 1 to 5, characterized in that: The following steps are involved: Step 1: Weigh 40-50 parts of polyurethane emulsion, 26-42 parts of nitrile latex, 1.8-10.2 parts of modified nano zirconium oxide, 0.2-0.6 parts of cross-linking agent, 1-3 parts of surfactant and 1-5 parts of thickener according to weight parts, and set aside; Step 2: adding polyurethane emulsion, nitrile latex, modified nano zirconium oxide, crosslinking agent, surfactant and thickener into a mixer, stirring and mixing for 1-2 hours at a temperature of 25-30° C. and a stirring rate of 300-400 r / min to obtain a dipping material; Step 3: Bond the skin-friendly comfort layer and the cut-resistant layer to form a glove blank, and immerse the glove blank in a coagulant, take it out and immerse it in a dipping material, then place it in a vacuum drying oven, dry it at a temperature of 60-65°C for 35-40 minutes, then heat it to 125-130°C and dry it for 1-1.5 hours, solidify it to form a wear-resistant dipping layer, and obtain a cut-resistant glove; The modified nano zirconium oxide is prepared by the following steps: Step a1: stirring hydroquinone, triethylamine and anhydrous tetrahydrofuran for reaction, then adding isocyanate propyl triethoxysilane solution dropwise while stirring, and continuing to stir the reaction after the addition is completed. After the reaction is completed, the reaction product is cooled, then rotary evaporated, and then eluted with a mixed solvent to obtain a strong modifier; Step a2: subjecting nano zirconium oxide powder and toluene to ultrasonic treatment, then adding a strong modifier solution and continuing the ultrasonic treatment, then stirring the reaction, cooling the reaction product after the reaction is completed, then centrifuging, washing and drying the precipitate to obtain modified nano zirconium oxide.

7. The method for preparing cut-resistant gloves according to claim 6, characterized in that: The polyurethane emulsion is WPU-125 water-based polyurethane emulsion; the nitrile latex is HT-830 water-based nitrile latex; the cross-linking agent is a polycarbodiimide cross-linking agent; the surfactant is sodium dodecyl sulfate; the thickener is sodium carboxymethyl cellulose; the skin-friendly comfort layer is one of polyester fabric, cotton fabric, linen fabric, acrylic fabric and nylon fabric; the coagulant is a mixed solution of calcium nitrate and methanol in a mass ratio of 1-10g:95g.

8. The method for preparing cut-resistant gloves according to claim 6, characterized in that: The amount ratio of the hydroquinone, triethylamine, anhydrous tetrahydrofuran and isocyanate propyl triethoxysilane solution in step a1 is 10mmol:0.01-0.02g:50-55mL:20-25mL; the isocyanate propyl triethoxysilane solution is a solution formed by dissolving isocyanate propyl triethoxysilane in anhydrous tetrahydrofuran at a ratio of 10mmol:10mL; the mixed solvent is a mixture of petroleum ether and ethyl acetate at a volume ratio of 25-30:

1.

9. The method for preparing cut-resistant gloves according to claim 6, characterized in that: The dosage ratio of the nano zirconium oxide powder, toluene and strong modifier solution in step a2 is 2g:15-20mL:10-15mL; the average particle size of the nano zirconium oxide powder is 50nm; the strong modifier solution is a mixture formed by dissolving the strong modifier in an ethanol solution at a ratio of 1g:8-10g, and the volume fraction of the ethanol solution is 85-90%.